Phytomyza rydeni Hering, 1934
Ranunculus acris, Braakman
A brown primary blotch that may occupy an entire leaf segment. Frass dispersed. Primary and secondary feeding lines well visible. Pupation within the mine.
Larvae in July-August (Hering, 1957a); I myself found larvae in mid October.
BE not recorded (Fauna Europaea, 2008).
NE found in 2004 in a damp deciduous forest in de Braakman, Zeeuws-Vlaanderen (province of Zeeland).
LUX not recorded (Fauna Europaea, 2008).
distribution within Europe
From Scandinavia to Germany, and from Britain to Poland and the Baltic States (Fauna Europaea, 2008).
Napomyza rydeni; Phytomyza aconitophila var. bohemanni Rydén, 1951; Ph. bohemanni Rydén.
von Tschirnhaus (1999a) considers Ph. salviae (Hering, 1924) synonymous with rydeni, in which case salviae would be the valid name. This does seem untenable: the hostplants (Salvia and Ballota, respectively) are widely separated from the one of rydeni and the mines are completely different. von Tschirnhaus’ opinion is not shared by the Fauna Europaea (2008) either.
Andersen (2013a), Andersen & Jonassen (1994a), Hering (1934a, 1957a), de Meijere (1937a), Pakalniškis (1994a, 2004a), Sønderup (1949a), Spencer (1971a, 1972a, 1976a), von Tschirnhaus (1999a).